[FFmpeg-devel] [PATCH v2] avcodec: Add MediaFoundation encoder wrapper

[Aman Gupta]

On Fri, May 15, 2020 at 12:04 AM Martin Storsjö <martin at martin.st> wrote:

> On Tue, 12 May 2020, Martin Storsjö wrote:
>
> > From: wm4 <nfxjfg at googlemail.com>
> >
> > This contains encoder wrappers for H264, HEVC, AAC, AC3 and MP3.
> >
> > This is based on top of an original patch by wm4
> > <nfxjfg at googlemail.com>. The original patch supported both encoding
> > and decoding, but this patch only includes encoding.
> >
> > The patch contains further changes by Paweł Wegner
> > <pawel.wegner95 at gmail.com> (primarily for splitting out the encoding
> > parts of the original patch) and further cleanup, build compatibility
> > fixes and tweaks for use with Qualcomm encoders by Martin Storsjö.
> > ---
> > v2: Added AV_CODEC_CAP_HYBRID, removed a leftover unused AVBSFContext,
> > added changelog and encoders.text entries, renamed the configure option
> > and config item to "mediafoundation" instead of "mf", changed the
> > makefile to keep individual additions of object files for each
> > individual encoder (so that it isn't compiled if all encoders are
> > disabled, even if CONFIG_MEDIAFOUNDATION is enabled).
>
> Any further comments on this, or is it ok to be merged now?


+1 from me. We have been using the original patchset for quite a few years
now, and it will make things much easier if it is included upstream.

For encoding video, we found the mf apis work much more reliably across
different hardware (and versions of Windows) compared to using qsv directly.

Aman


>
> // Martin
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